<template>
  <div class="container">
    <div class="app-container">
      <el-button v-permission="'add-permission'" class="btn-add" size="mini" type="primary" @click="changePermission">添加权限</el-button>
      <el-table border default-expand-all :data="list" row-key="id">
        <el-table-column prop="name" label="名称" />
        <el-table-column prop="code" label="标识" />
        <el-table-column prop="description" label="描述" />
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <el-button v-if="row.type === 1" size="mini" type="text" @click="changePermission('新增',row)">添加</el-button>
            <el-button size="mini" type="text" @click="changePermission('编辑', row)">编辑</el-button>
            <el-popconfirm style="margin-left: 10px;" title="这是一段内容确定删除吗？" @onConfirm="del(row)">
              <el-button slot="reference" size="mini" type="text">删除</el-button>
            </el-popconfirm>
          </template>

        </el-table-column>
      </el-table>
    </div>
    <!-- 弹窗 -->
    <!-- 放置一个弹层 用来编辑新增节点 -->
    <el-dialog :title="`${showText}权限点`" :visible="showDialog" @close="btnCancel">
      <!-- 表单 -->
      <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>
        <el-form-item label="开启">
          <el-switch v-model="formData.enVisible" active-value="1" inactive-value="0" />
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
          <el-button size="small" @click="btnCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import { getPermissionList, updatePermission, addPermission, delPermission } from '@/api/permission'
import { getTree } from '@/utils'
export default {
  data() {
    return {
      list: [],
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 默认关闭
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      },
      showDialog: false
    }
  },
  computed: {
    showText() {
      return this.formData.id ? '编辑' : '新增'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    // 获取权限列表
    async getPermissionList() {
      this.list = getTree(await getPermissionList(), 0)
    },
    // 点击按钮 显示弹窗
    changePermission(type, row) {
      if (type === '编辑') {
        this.formData = { ...row }
      } else if (type === '新增') {
        this.formData.pid = row.id
        this.formData.type = 2
      } else {
        this.formData.pid = 0
        this.formData.type = 1
      }
      this.showDialog = true
    },
    // 确定提交
    async btnOK() {
      await this.$refs.perForm.validate()
      if (this.formData.id) {
        await updatePermission(this.formData)
      } else {
        await addPermission(this.formData)
      }
      this.btnCancel()
      this.getPermissionList()
    },
    // 删除
    async del(row) {
      await delPermission(row.id)
      this.getPermissionList()
    },
    // 关闭弹窗 清空数据
    btnCancel() {
      this.$refs.perForm.resetFields()
      this.showDialog = false
      this.formData = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 默认关闭
      }
    }
  }

}
</script>

<style>
.el-table th {
  background-color: #ececf7;
  /* 设置您想要的背景颜色 */
}
.btn-add {
  margin: 10px;
}
</style>
